Finding the Fourth Proportional to 452,839.75, 679,217.98 and 153,286.09
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Solution
The fourth proportional to 452,839.75, 679,217.98 and 153,286.09 is: 229,915.04
Step by Step Solution
- Step 1: Write the proportion equation
452,839.75 : 679,217.98 = 153,286.09 : x - Step 2: Convert to fraction form
452,839.75/679,217.98 = 153,286.09/x - Step 3: Cross multiply
452,839.75x = 679,217.98 × 153,286.09 - Step 4: Simplify right side
452,839.75x = 104,114,668,411.90 - Step 5: Solve for x
x = 104,114,668,411.90/452,839.75 - Step 6: Final answer
x = 229,915.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.